Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4CFW callsign genealogy
Currently held by Sanchez, Edgar S
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by WP4CFW's current licensee, walking backwards.
- Sanchez, Edgar SPRgranted 2021-12-13cancelled 2022-01-05
Successor callsigns
Callsigns held now by people who previously held WP4CFW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4CFW, oldest first.
- SANCHEZ, EDGAR S PR2008-06-03 → cancelled 2020-08-20
- Sanchez, Edgar S PR2022-01-05 active